Pith Number

pith:ZFRNLNDL

pith:2017:ZFRNLNDLDFIJXDE64ENRNYOJSA

not attested not anchored not stored refs pending

Non-optimality of the Greedy Algorithm for subspace orderings in the method of alternating projections

Aashraya Jha, David Seifert, Liam Stigant, Oscar Darwin, Rhys Steele, Souktik Roy

arxiv:1706.06144 v1 · 2017-06-19 · math.NA · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFRNLNDLDFIJXDE64ENRNYOJSA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:54:07.623966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c962d5b46b19509b8c9ee11b16e1c990242a346a1be206823626d98a090ce089

Aliases

arxiv: 1706.06144 · arxiv_version: 1706.06144v1 · doi: 10.48550/arxiv.1706.06144 · pith_short_12: ZFRNLNDLDFIJ · pith_short_16: ZFRNLNDLDFIJXDE6 · pith_short_8: ZFRNLNDL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZFRNLNDLDFIJXDE64ENRNYOJSA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c962d5b46b19509b8c9ee11b16e1c990242a346a1be206823626d98a090ce089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "000c23deb9c4d7910f528a26377568f6557b581bdb69d4d27ade4d4b42d51d2a",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-19T19:10:39Z",
    "title_canon_sha256": "b2fbe0aaa69efd2296f9d1b5116bcfe6b70d996dc329f2570f1fa3e38fb28d8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06144",
    "kind": "arxiv",
    "version": 1
  }
}